Setting up Secure Ubuntu server on VMware
1. Insert the Ubuntu Server distribution CD or attach the ISO of the CD which is in the “Datastore”. Note that it is important to install the x64 edition on servers, not the X86 editions.
2. Power on th…

I. Introduction
There's an interesting discussion going on now in an Experts Exchange Group —
Attachments with no extension
. This reminded me of questions that come up here at EE along the lines of, "How can I tell the type of file from its cont…

Learn several ways to interact with files and get file information from the bash shell.
ls lists the contents of a directory: Using the -a flag displays hidden files: Using the -l flag formats the output in a long list: The file command gives us mor…